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freerdp/channels/tsmf/client/gstreamer/tsmf_gstreamer.c

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v2.10.0
2023-05-09 21:29:50 +00:00
/*
* FreeRDP: A Remote Desktop Protocol Implementation
* Video Redirection Virtual Channel - GStreamer Decoder
*
* (C) Copyright 2012 HP Development Company, LLC
* (C) Copyright 2014 Thincast Technologies GmbH
* (C) Copyright 2014 Armin Novak <armin.novak@thincast.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <winpr/string.h>
#if __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wparentheses-equality"
#endif /* __clang__ */
#include <gst/gst.h>
#if __clang__
#pragma clang diagnostic pop
#endif /* __clang__ */
#include <gst/app/gstappsrc.h>
#include <gst/app/gstappsink.h>
#include "tsmf_constants.h"
#include "tsmf_decoder.h"
#include "tsmf_platform.h"
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif
/* 1 second = 10,000,000 100ns units*/
#define SEEK_TOLERANCE 10 * 1000 * 1000
static BOOL tsmf_gstreamer_pipeline_build(TSMFGstreamerDecoder* mdecoder);
static void tsmf_gstreamer_clean_up(TSMFGstreamerDecoder* mdecoder);
static int tsmf_gstreamer_pipeline_set_state(TSMFGstreamerDecoder* mdecoder,
GstState desired_state);
static BOOL tsmf_gstreamer_buffer_level(ITSMFDecoder* decoder);
static const char* get_type(TSMFGstreamerDecoder* mdecoder)
{
if (!mdecoder)
return NULL;
switch (mdecoder->media_type)
{
case TSMF_MAJOR_TYPE_VIDEO:
return "VIDEO";
case TSMF_MAJOR_TYPE_AUDIO:
return "AUDIO";
default:
return "UNKNOWN";
}
}
static void cb_child_added(GstChildProxy* child_proxy, GObject* object,
TSMFGstreamerDecoder* mdecoder)
{
DEBUG_TSMF("NAME: %s", G_OBJECT_TYPE_NAME(object));
if (!g_strcmp0(G_OBJECT_TYPE_NAME(object), "GstXvImageSink") ||
!g_strcmp0(G_OBJECT_TYPE_NAME(object), "GstXImageSink") ||
!g_strcmp0(G_OBJECT_TYPE_NAME(object), "GstFluVAAutoSink"))
{
gst_base_sink_set_max_lateness((GstBaseSink*)object, 10000000); /* nanoseconds */
g_object_set(G_OBJECT(object), "sync", TRUE, NULL); /* synchronize on the clock */
g_object_set(G_OBJECT(object), "async", TRUE, NULL); /* no async state changes */
}
else if (!g_strcmp0(G_OBJECT_TYPE_NAME(object), "GstAlsaSink") ||
!g_strcmp0(G_OBJECT_TYPE_NAME(object), "GstPulseSink"))
{
gst_base_sink_set_max_lateness((GstBaseSink*)object, 10000000); /* nanoseconds */
g_object_set(G_OBJECT(object), "slave-method", 1, NULL);
g_object_set(G_OBJECT(object), "buffer-time", (gint64)20000, NULL); /* microseconds */
g_object_set(G_OBJECT(object), "drift-tolerance", (gint64)20000, NULL); /* microseconds */
g_object_set(G_OBJECT(object), "latency-time", (gint64)10000, NULL); /* microseconds */
g_object_set(G_OBJECT(object), "sync", TRUE, NULL); /* synchronize on the clock */
g_object_set(G_OBJECT(object), "async", TRUE, NULL); /* no async state changes */
}
}
static void tsmf_gstreamer_enough_data(GstAppSrc* src, gpointer user_data)
{
TSMFGstreamerDecoder* mdecoder = user_data;
(void)mdecoder;
DEBUG_TSMF("%s", get_type(mdecoder));
}
static void tsmf_gstreamer_need_data(GstAppSrc* src, guint length, gpointer user_data)
{
TSMFGstreamerDecoder* mdecoder = user_data;
(void)mdecoder;
DEBUG_TSMF("%s length=%u", get_type(mdecoder), length);
}
static gboolean tsmf_gstreamer_seek_data(GstAppSrc* src, guint64 offset, gpointer user_data)
{
TSMFGstreamerDecoder* mdecoder = user_data;
(void)mdecoder;
DEBUG_TSMF("%s offset=%" PRIu64 "", get_type(mdecoder), offset);
return TRUE;
}
static BOOL tsmf_gstreamer_change_volume(ITSMFDecoder* decoder, UINT32 newVolume, UINT32 muted)
{
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder*)decoder;
if (!mdecoder || !mdecoder->pipe)
return TRUE;
if (mdecoder->media_type == TSMF_MAJOR_TYPE_VIDEO)
return TRUE;
mdecoder->gstMuted = (BOOL)muted;
DEBUG_TSMF("mute=[%" PRId32 "]", mdecoder->gstMuted);
mdecoder->gstVolume = (double)newVolume / (double)10000;
DEBUG_TSMF("gst_new_vol=[%f]", mdecoder->gstVolume);
if (!mdecoder->volume)
return TRUE;
if (!G_IS_OBJECT(mdecoder->volume))
return TRUE;
g_object_set(mdecoder->volume, "mute", mdecoder->gstMuted, NULL);
g_object_set(mdecoder->volume, "volume", mdecoder->gstVolume, NULL);
return TRUE;
}
static inline GstClockTime tsmf_gstreamer_timestamp_ms_to_gst(UINT64 ms_timestamp)
{
/*
* Convert Microsoft 100ns timestamps to Gstreamer 1ns units.
*/
return (GstClockTime)(ms_timestamp * 100);
}
int tsmf_gstreamer_pipeline_set_state(TSMFGstreamerDecoder* mdecoder, GstState desired_state)
{
GstStateChangeReturn state_change;
const char* name;
const char* sname = get_type(mdecoder);
if (!mdecoder)
return 0;
if (!mdecoder->pipe)
return 0; /* Just in case this is called during startup or shutdown when we don't expect it
*/
if (desired_state == mdecoder->state)
return 0; /* Redundant request - Nothing to do */
name = gst_element_state_get_name(desired_state); /* For debug */
DEBUG_TSMF("%s to %s", sname, name);
state_change = gst_element_set_state(mdecoder->pipe, desired_state);
if (state_change == GST_STATE_CHANGE_FAILURE)
{
WLog_ERR(TAG, "%s: (%s) GST_STATE_CHANGE_FAILURE.", sname, name);
}
else if (state_change == GST_STATE_CHANGE_ASYNC)
{
WLog_ERR(TAG, "%s: (%s) GST_STATE_CHANGE_ASYNC.", sname, name);
mdecoder->state = desired_state;
}
else
{
mdecoder->state = desired_state;
}
return 0;
}
static GstBuffer* tsmf_get_buffer_from_data(const void* raw_data, gsize size)
{
GstBuffer* buffer;
gpointer data;
if (!raw_data)
return NULL;
if (size < 1)
return NULL;
data = g_malloc(size);
if (!data)
{
WLog_ERR(TAG, "Could not allocate %" G_GSIZE_FORMAT " bytes of data.", size);
return NULL;
}
CopyMemory(data, raw_data, size);
#if GST_VERSION_MAJOR > 0
buffer = gst_buffer_new_wrapped(data, size);
#else
buffer = gst_buffer_new();
if (!buffer)
{
WLog_ERR(TAG, "Could not create GstBuffer");
free(data);
return NULL;
}
GST_BUFFER_MALLOCDATA(buffer) = data;
GST_BUFFER_SIZE(buffer) = size;
GST_BUFFER_DATA(buffer) = GST_BUFFER_MALLOCDATA(buffer);
#endif
return buffer;
}
static BOOL tsmf_gstreamer_set_format(ITSMFDecoder* decoder, TS_AM_MEDIA_TYPE* media_type)
{
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder*)decoder;
if (!mdecoder)
return FALSE;
DEBUG_TSMF("");
switch (media_type->MajorType)
{
case TSMF_MAJOR_TYPE_VIDEO:
mdecoder->media_type = TSMF_MAJOR_TYPE_VIDEO;
break;
case TSMF_MAJOR_TYPE_AUDIO:
mdecoder->media_type = TSMF_MAJOR_TYPE_AUDIO;
break;
default:
return FALSE;
}
switch (media_type->SubType)
{
case TSMF_SUB_TYPE_WVC1:
mdecoder->gst_caps = gst_caps_new_simple(
"video/x-wmv", "bitrate", G_TYPE_UINT, media_type->BitRate, "width", G_TYPE_INT,
media_type->Width, "height", G_TYPE_INT, media_type->Height, "wmvversion",
G_TYPE_INT, 3,
#if GST_VERSION_MAJOR > 0
"format", G_TYPE_STRING, "WVC1",
#else
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('W', 'V', 'C', '1'),
#endif
"framerate", GST_TYPE_FRACTION, media_type->SamplesPerSecond.Numerator,
media_type->SamplesPerSecond.Denominator, "pixel-aspect-ratio", GST_TYPE_FRACTION,
1, 1, NULL);
break;
case TSMF_SUB_TYPE_MP4S:
mdecoder->gst_caps = gst_caps_new_simple(
"video/x-divx", "divxversion", G_TYPE_INT, 5, "bitrate", G_TYPE_UINT,
media_type->BitRate, "width", G_TYPE_INT, media_type->Width, "height", G_TYPE_INT,
media_type->Height,
#if GST_VERSION_MAJOR > 0
"format", G_TYPE_STRING, "MP42",
#else
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('M', 'P', '4', '2'),
#endif
"framerate", GST_TYPE_FRACTION, media_type->SamplesPerSecond.Numerator,
media_type->SamplesPerSecond.Denominator, NULL);
break;
case TSMF_SUB_TYPE_MP42:
mdecoder->gst_caps = gst_caps_new_simple(
"video/x-msmpeg", "msmpegversion", G_TYPE_INT, 42, "bitrate", G_TYPE_UINT,
media_type->BitRate, "width", G_TYPE_INT, media_type->Width, "height", G_TYPE_INT,
media_type->Height,
#if GST_VERSION_MAJOR > 0
"format", G_TYPE_STRING, "MP42",
#else
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('M', 'P', '4', '2'),
#endif
"framerate", GST_TYPE_FRACTION, media_type->SamplesPerSecond.Numerator,
media_type->SamplesPerSecond.Denominator, NULL);
break;
case TSMF_SUB_TYPE_MP43:
mdecoder->gst_caps = gst_caps_new_simple(
"video/x-msmpeg", "msmpegversion", G_TYPE_INT, 43, "bitrate", G_TYPE_UINT,
media_type->BitRate, "width", G_TYPE_INT, media_type->Width, "height", G_TYPE_INT,
media_type->Height,
#if GST_VERSION_MAJOR > 0
"format", G_TYPE_STRING, "MP43",
#else
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('M', 'P', '4', '3'),
#endif
"framerate", GST_TYPE_FRACTION, media_type->SamplesPerSecond.Numerator,
media_type->SamplesPerSecond.Denominator, NULL);
break;
case TSMF_SUB_TYPE_M4S2:
mdecoder->gst_caps = gst_caps_new_simple(
"video/mpeg", "mpegversion", G_TYPE_INT, 4, "width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
#if GST_VERSION_MAJOR > 0
"format", G_TYPE_STRING, "M4S2",
#else
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('M', '4', 'S', '2'),
#endif
"framerate", GST_TYPE_FRACTION, media_type->SamplesPerSecond.Numerator,
media_type->SamplesPerSecond.Denominator, NULL);
break;
case TSMF_SUB_TYPE_WMA9:
mdecoder->gst_caps = gst_caps_new_simple(
"audio/x-wma", "wmaversion", G_TYPE_INT, 3, "rate", G_TYPE_INT,
media_type->SamplesPerSecond.Numerator, "channels", G_TYPE_INT,
media_type->Channels, "bitrate", G_TYPE_INT, media_type->BitRate, "depth",
G_TYPE_INT, media_type->BitsPerSample, "width", G_TYPE_INT,
media_type->BitsPerSample, "block_align", G_TYPE_INT, media_type->BlockAlign, NULL);
break;
case TSMF_SUB_TYPE_WMA1:
mdecoder->gst_caps = gst_caps_new_simple(
"audio/x-wma", "wmaversion", G_TYPE_INT, 1, "rate", G_TYPE_INT,
media_type->SamplesPerSecond.Numerator, "channels", G_TYPE_INT,
media_type->Channels, "bitrate", G_TYPE_INT, media_type->BitRate, "depth",
G_TYPE_INT, media_type->BitsPerSample, "width", G_TYPE_INT,
media_type->BitsPerSample, "block_align", G_TYPE_INT, media_type->BlockAlign, NULL);
break;
case TSMF_SUB_TYPE_WMA2:
mdecoder->gst_caps = gst_caps_new_simple(
"audio/x-wma", "wmaversion", G_TYPE_INT, 2, "rate", G_TYPE_INT,
media_type->SamplesPerSecond.Numerator, "channels", G_TYPE_INT,
media_type->Channels, "bitrate", G_TYPE_INT, media_type->BitRate, "depth",
G_TYPE_INT, media_type->BitsPerSample, "width", G_TYPE_INT,
media_type->BitsPerSample, "block_align", G_TYPE_INT, media_type->BlockAlign, NULL);
break;
case TSMF_SUB_TYPE_MP3:
mdecoder->gst_caps =
gst_caps_new_simple("audio/mpeg", "mpegversion", G_TYPE_INT, 1, "layer", G_TYPE_INT,
3, "rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
"channels", G_TYPE_INT, media_type->Channels, NULL);
break;
case TSMF_SUB_TYPE_WMV1:
mdecoder->gst_caps = gst_caps_new_simple(
"video/x-wmv", "bitrate", G_TYPE_UINT, media_type->BitRate, "width", G_TYPE_INT,
media_type->Width, "height", G_TYPE_INT, media_type->Height, "wmvversion",
G_TYPE_INT, 1,
#if GST_VERSION_MAJOR > 0
"format", G_TYPE_STRING, "WMV1",
#else
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('W', 'M', 'V', '1'),
#endif
"framerate", GST_TYPE_FRACTION, media_type->SamplesPerSecond.Numerator,
media_type->SamplesPerSecond.Denominator, NULL);
break;
case TSMF_SUB_TYPE_WMV2:
mdecoder->gst_caps = gst_caps_new_simple(
"video/x-wmv", "width", G_TYPE_INT, media_type->Width, "height", G_TYPE_INT,
media_type->Height, "wmvversion", G_TYPE_INT, 2,
#if GST_VERSION_MAJOR > 0
"format", G_TYPE_STRING, "WMV2",
#else
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('W', 'M', 'V', '2'),
#endif
"framerate", GST_TYPE_FRACTION, media_type->SamplesPerSecond.Numerator,
media_type->SamplesPerSecond.Denominator, "pixel-aspect-ratio", GST_TYPE_FRACTION,
1, 1, NULL);
break;
case TSMF_SUB_TYPE_WMV3:
mdecoder->gst_caps = gst_caps_new_simple(
"video/x-wmv", "bitrate", G_TYPE_UINT, media_type->BitRate, "width", G_TYPE_INT,
media_type->Width, "height", G_TYPE_INT, media_type->Height, "wmvversion",
G_TYPE_INT, 3,
#if GST_VERSION_MAJOR > 0
"format", G_TYPE_STRING, "WMV3",
#else
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('W', 'M', 'V', '3'),
#endif
"framerate", GST_TYPE_FRACTION, media_type->SamplesPerSecond.Numerator,
media_type->SamplesPerSecond.Denominator, "pixel-aspect-ratio", GST_TYPE_FRACTION,
1, 1, NULL);
break;
case TSMF_SUB_TYPE_AVC1:
case TSMF_SUB_TYPE_H264:
mdecoder->gst_caps = gst_caps_new_simple(
"video/x-h264", "width", G_TYPE_INT, media_type->Width, "height", G_TYPE_INT,
media_type->Height, "framerate", GST_TYPE_FRACTION,
media_type->SamplesPerSecond.Numerator, media_type->SamplesPerSecond.Denominator,
"pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1, "stream-format", G_TYPE_STRING,
"byte-stream", "alignment", G_TYPE_STRING, "nal", NULL);
break;
case TSMF_SUB_TYPE_AC3:
mdecoder->gst_caps = gst_caps_new_simple(
"audio/x-ac3", "rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
"channels", G_TYPE_INT, media_type->Channels, NULL);
break;
case TSMF_SUB_TYPE_AAC:
/* For AAC the pFormat is a HEAACWAVEINFO struct, and the codec data
is at the end of it. See
http://msdn.microsoft.com/en-us/library/dd757806.aspx */
if (media_type->ExtraData)
{
if (media_type->ExtraDataSize < 12)
return FALSE;
media_type->ExtraData += 12;
media_type->ExtraDataSize -= 12;
}
mdecoder->gst_caps = gst_caps_new_simple(
"audio/mpeg", "rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
"channels", G_TYPE_INT, media_type->Channels, "mpegversion", G_TYPE_INT, 4,
"framed", G_TYPE_BOOLEAN, TRUE, "stream-format", G_TYPE_STRING, "raw", NULL);
break;
case TSMF_SUB_TYPE_MP1A:
mdecoder->gst_caps =
gst_caps_new_simple("audio/mpeg", "mpegversion", G_TYPE_INT, 1, "channels",
G_TYPE_INT, media_type->Channels, NULL);
break;
case TSMF_SUB_TYPE_MP1V:
mdecoder->gst_caps =
gst_caps_new_simple("video/mpeg", "mpegversion", G_TYPE_INT, 1, "width", G_TYPE_INT,
media_type->Width, "height", G_TYPE_INT, media_type->Height,
"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
break;
case TSMF_SUB_TYPE_YUY2:
#if GST_VERSION_MAJOR > 0
mdecoder->gst_caps = gst_caps_new_simple(
"video/x-raw", "format", G_TYPE_STRING, "YUY2", "width", G_TYPE_INT,
media_type->Width, "height", G_TYPE_INT, media_type->Height, NULL);
#else
mdecoder->gst_caps = gst_caps_new_simple(
"video/x-raw-yuv", "format", G_TYPE_STRING, "YUY2", "width", G_TYPE_INT,
media_type->Width, "height", G_TYPE_INT, media_type->Height, "framerate",
GST_TYPE_FRACTION, media_type->SamplesPerSecond.Numerator,
media_type->SamplesPerSecond.Denominator, NULL);
#endif
break;
case TSMF_SUB_TYPE_MP2V:
mdecoder->gst_caps = gst_caps_new_simple("video/mpeg", "mpegversion", G_TYPE_INT, 2,
"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
break;
case TSMF_SUB_TYPE_MP2A:
mdecoder->gst_caps =
gst_caps_new_simple("audio/mpeg", "mpegversion", G_TYPE_INT, 1, "rate", G_TYPE_INT,
media_type->SamplesPerSecond.Numerator, "channels", G_TYPE_INT,
media_type->Channels, NULL);
break;
case TSMF_SUB_TYPE_FLAC:
mdecoder->gst_caps = gst_caps_new_simple("audio/x-flac", "", NULL);
break;
default:
WLog_ERR(TAG, "unknown format:(%d).", media_type->SubType);
return FALSE;
}
if (media_type->ExtraDataSize > 0)
{
GstBuffer* buffer;
DEBUG_TSMF("Extra data available (%" PRIu32 ")", media_type->ExtraDataSize);
buffer = tsmf_get_buffer_from_data(media_type->ExtraData, media_type->ExtraDataSize);
if (!buffer)
{
WLog_ERR(TAG, "could not allocate GstBuffer!");
return FALSE;
}
gst_caps_set_simple(mdecoder->gst_caps, "codec_data", GST_TYPE_BUFFER, buffer, NULL);
}
DEBUG_TSMF("%p format '%s'", (void*)mdecoder, gst_caps_to_string(mdecoder->gst_caps));
tsmf_platform_set_format(mdecoder);
/* Create the pipeline... */
if (!tsmf_gstreamer_pipeline_build(mdecoder))
return FALSE;
return TRUE;
}
void tsmf_gstreamer_clean_up(TSMFGstreamerDecoder* mdecoder)
{
if (!mdecoder || !mdecoder->pipe)
return;
if (mdecoder->pipe && GST_OBJECT_REFCOUNT_VALUE(mdecoder->pipe) > 0)
{
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_NULL);
gst_object_unref(mdecoder->pipe);
}
mdecoder->ready = FALSE;
mdecoder->paused = FALSE;
mdecoder->pipe = NULL;
mdecoder->src = NULL;
mdecoder->queue = NULL;
}
BOOL tsmf_gstreamer_pipeline_build(TSMFGstreamerDecoder* mdecoder)
{
#if GST_VERSION_MAJOR > 0
const char* video =
"appsrc name=videosource ! queue2 name=videoqueue ! decodebin name=videodecoder !";
const char* audio =
"appsrc name=audiosource ! queue2 name=audioqueue ! decodebin name=audiodecoder ! "
"audioconvert ! audiorate ! audioresample ! volume name=audiovolume !";
#else
const char* video =
"appsrc name=videosource ! queue2 name=videoqueue ! decodebin2 name=videodecoder !";
const char* audio =
"appsrc name=audiosource ! queue2 name=audioqueue ! decodebin2 name=audiodecoder ! "
"audioconvert ! audiorate ! audioresample ! volume name=audiovolume !";
#endif
char pipeline[1024];
if (!mdecoder)
return FALSE;
/* TODO: Construction of the pipeline from a string allows easy overwrite with arguments.
* The only fixed elements necessary are appsrc and the volume element for audio streams.
* The rest could easily be provided in gstreamer pipeline notation from command line. */
if (mdecoder->media_type == TSMF_MAJOR_TYPE_VIDEO)
sprintf_s(pipeline, sizeof(pipeline), "%s %s name=videosink", video,
tsmf_platform_get_video_sink());
else
sprintf_s(pipeline, sizeof(pipeline), "%s %s name=audiosink", audio,
tsmf_platform_get_audio_sink());
DEBUG_TSMF("pipeline=%s", pipeline);
mdecoder->pipe = gst_parse_launch(pipeline, NULL);
if (!mdecoder->pipe)
{
WLog_ERR(TAG, "Failed to create new pipe");
return FALSE;
}
if (mdecoder->media_type == TSMF_MAJOR_TYPE_VIDEO)
mdecoder->src = gst_bin_get_by_name(GST_BIN(mdecoder->pipe), "videosource");
else
mdecoder->src = gst_bin_get_by_name(GST_BIN(mdecoder->pipe), "audiosource");
if (!mdecoder->src)
{
WLog_ERR(TAG, "Failed to get appsrc");
return FALSE;
}
if (mdecoder->media_type == TSMF_MAJOR_TYPE_VIDEO)
mdecoder->queue = gst_bin_get_by_name(GST_BIN(mdecoder->pipe), "videoqueue");
else
mdecoder->queue = gst_bin_get_by_name(GST_BIN(mdecoder->pipe), "audioqueue");
if (!mdecoder->queue)
{
WLog_ERR(TAG, "Failed to get queue");
return FALSE;
}
if (mdecoder->media_type == TSMF_MAJOR_TYPE_VIDEO)
mdecoder->outsink = gst_bin_get_by_name(GST_BIN(mdecoder->pipe), "videosink");
else
mdecoder->outsink = gst_bin_get_by_name(GST_BIN(mdecoder->pipe), "audiosink");
if (!mdecoder->outsink)
{
WLog_ERR(TAG, "Failed to get sink");
return FALSE;
}
g_signal_connect(mdecoder->outsink, "child-added", G_CALLBACK(cb_child_added), mdecoder);
if (mdecoder->media_type == TSMF_MAJOR_TYPE_AUDIO)
{
mdecoder->volume = gst_bin_get_by_name(GST_BIN(mdecoder->pipe), "audiovolume");
if (!mdecoder->volume)
{
WLog_ERR(TAG, "Failed to get volume");
return FALSE;
}
tsmf_gstreamer_change_volume((ITSMFDecoder*)mdecoder, mdecoder->gstVolume * ((double)10000),
mdecoder->gstMuted);
}
tsmf_platform_register_handler(mdecoder);
/* AppSrc settings */
GstAppSrcCallbacks callbacks = {
tsmf_gstreamer_need_data, tsmf_gstreamer_enough_data, tsmf_gstreamer_seek_data, { NULL }
};
g_object_set(mdecoder->src, "format", GST_FORMAT_TIME, NULL);
g_object_set(mdecoder->src, "is-live", FALSE, NULL);
g_object_set(mdecoder->src, "block", FALSE, NULL);
g_object_set(mdecoder->src, "blocksize", 1024, NULL);
gst_app_src_set_caps((GstAppSrc*)mdecoder->src, mdecoder->gst_caps);
gst_app_src_set_callbacks((GstAppSrc*)mdecoder->src, &callbacks, mdecoder, NULL);
gst_app_src_set_stream_type((GstAppSrc*)mdecoder->src, GST_APP_STREAM_TYPE_SEEKABLE);
gst_app_src_set_latency((GstAppSrc*)mdecoder->src, 0, -1);
gst_app_src_set_max_bytes((GstAppSrc*)mdecoder->src, (guint64)0); // unlimited
g_object_set(G_OBJECT(mdecoder->queue), "use-buffering", FALSE, NULL);
g_object_set(G_OBJECT(mdecoder->queue), "use-rate-estimate", FALSE, NULL);
g_object_set(G_OBJECT(mdecoder->queue), "max-size-buffers", 0, NULL);
g_object_set(G_OBJECT(mdecoder->queue), "max-size-bytes", 0, NULL);
g_object_set(G_OBJECT(mdecoder->queue), "max-size-time", (guint64)0, NULL);
/* Only set these properties if not an autosink, otherwise we will set properties when real
* sinks are added */
if (!g_strcmp0(G_OBJECT_TYPE_NAME(mdecoder->outsink), "GstAutoVideoSink") &&
!g_strcmp0(G_OBJECT_TYPE_NAME(mdecoder->outsink), "GstAutoAudioSink"))
{
if (mdecoder->media_type == TSMF_MAJOR_TYPE_VIDEO)
{
gst_base_sink_set_max_lateness((GstBaseSink*)mdecoder->outsink,
10000000); /* nanoseconds */
}
else
{
gst_base_sink_set_max_lateness((GstBaseSink*)mdecoder->outsink,
10000000); /* nanoseconds */
g_object_set(G_OBJECT(mdecoder->outsink), "buffer-time", (gint64)20000,
NULL); /* microseconds */
g_object_set(G_OBJECT(mdecoder->outsink), "drift-tolerance", (gint64)20000,
NULL); /* microseconds */
g_object_set(G_OBJECT(mdecoder->outsink), "latency-time", (gint64)10000,
NULL); /* microseconds */
g_object_set(G_OBJECT(mdecoder->outsink), "slave-method", 1, NULL);
}
g_object_set(G_OBJECT(mdecoder->outsink), "sync", TRUE,
NULL); /* synchronize on the clock */
g_object_set(G_OBJECT(mdecoder->outsink), "async", TRUE, NULL); /* no async state changes */
}
tsmf_window_create(mdecoder);
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_READY);
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PLAYING);
mdecoder->pipeline_start_time_valid = 0;
mdecoder->shutdown = 0;
mdecoder->paused = FALSE;
GST_DEBUG_BIN_TO_DOT_FILE(GST_BIN(mdecoder->pipe), GST_DEBUG_GRAPH_SHOW_ALL,
get_type(mdecoder));
return TRUE;
}
static BOOL tsmf_gstreamer_decodeEx(ITSMFDecoder* decoder, const BYTE* data, UINT32 data_size,
UINT32 extensions, UINT64 start_time, UINT64 end_time,
UINT64 duration)
{
GstBuffer* gst_buf;
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder*)decoder;
UINT64 sample_time = tsmf_gstreamer_timestamp_ms_to_gst(start_time);
BOOL useTimestamps = TRUE;
if (!mdecoder)
{
WLog_ERR(TAG, "Decoder not initialized!");
return FALSE;
}
/*
* This function is always called from a stream-specific thread.
* It should be alright to block here if necessary.
* We don't expect to block here often, since the pipeline should
* have more than enough buffering.
*/
DEBUG_TSMF(
"%s. Start:(%" PRIu64 ") End:(%" PRIu64 ") Duration:(%" PRIu64 ") Last Start:(%" PRIu64 ")",
get_type(mdecoder), start_time, end_time, duration, mdecoder->last_sample_start_time);
if (mdecoder->shutdown)
{
WLog_ERR(TAG, "decodeEx called on shutdown decoder");
return TRUE;
}
if (mdecoder->gst_caps == NULL)
{
WLog_ERR(TAG, "tsmf_gstreamer_set_format not called or invalid format.");
return FALSE;
}
if (!mdecoder->pipe)
tsmf_gstreamer_pipeline_build(mdecoder);
if (!mdecoder->src)
{
WLog_ERR(
TAG,
"failed to construct pipeline correctly. Unable to push buffer to source element.");
return FALSE;
}
gst_buf = tsmf_get_buffer_from_data(data, data_size);
if (gst_buf == NULL)
{
WLog_ERR(TAG, "tsmf_get_buffer_from_data(%p, %" PRIu32 ") failed.", (void*)data, data_size);
return FALSE;
}
/* Relative timestamping will sometimes be set to 0
* so we ignore these timestamps just to be safe(bit 8)
*/
if (extensions & 0x00000080)
{
DEBUG_TSMF("Ignoring the timestamps - relative - bit 8");
useTimestamps = FALSE;
}
/* If no timestamps exist then we dont want to look at the timestamp values (bit 7) */
if (extensions & 0x00000040)
{
DEBUG_TSMF("Ignoring the timestamps - none - bit 7");
useTimestamps = FALSE;
}
/* If performing a seek */
if (mdecoder->seeking)
{
mdecoder->seeking = FALSE;
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PAUSED);
mdecoder->pipeline_start_time_valid = 0;
}
if (mdecoder->pipeline_start_time_valid)
{
DEBUG_TSMF("%s start time %" PRIu64 "", get_type(mdecoder), start_time);
/* Adjusted the condition for a seek to be based on start time only
* WMV1 and WMV2 files in particular have bad end time and duration values
* there seems to be no real side effects of just using the start time instead
*/
UINT64 minTime = mdecoder->last_sample_start_time - (UINT64)SEEK_TOLERANCE;
UINT64 maxTime = mdecoder->last_sample_start_time + (UINT64)SEEK_TOLERANCE;
/* Make sure the minTime stops at 0 , should we be at the beginning of the stream */
if (mdecoder->last_sample_start_time < (UINT64)SEEK_TOLERANCE)
minTime = 0;
/* If the start_time is valid and different from the previous start time by more than the
* seek tolerance, then we have a seek condition */
if (((start_time > maxTime) || (start_time < minTime)) && useTimestamps)
{
DEBUG_TSMF("tsmf_gstreamer_decodeEx: start_time=[%" PRIu64
"] > last_sample_start_time=[%" PRIu64 "] OR ",
start_time, mdecoder->last_sample_start_time);
DEBUG_TSMF("tsmf_gstreamer_decodeEx: start_time=[%" PRIu64
"] < last_sample_start_time=[%" PRIu64 "] with",
start_time, mdecoder->last_sample_start_time);
DEBUG_TSMF(
"tsmf_gstreamer_decodeEX: a tolerance of more than [%lu] from the last sample",
SEEK_TOLERANCE);
DEBUG_TSMF("tsmf_gstreamer_decodeEX: minTime=[%" PRIu64 "] maxTime=[%" PRIu64 "]",
minTime, maxTime);
mdecoder->seeking = TRUE;
/* since we cant make the gstreamer pipeline jump to the new start time after a seek -
* we just maintain a offset between realtime and gstreamer time
*/
mdecoder->seek_offset = start_time;
}
}
else
{
DEBUG_TSMF("%s start time %" PRIu64 "", get_type(mdecoder), start_time);
/* Always set base/start time to 0. Will use seek offset to translate real buffer times
* back to 0. This allows the video to be started from anywhere and the ability to handle
* seeks without rebuilding the pipeline, etc. since that is costly
*/
gst_element_set_base_time(mdecoder->pipe, tsmf_gstreamer_timestamp_ms_to_gst(0));
gst_element_set_start_time(mdecoder->pipe, tsmf_gstreamer_timestamp_ms_to_gst(0));
mdecoder->pipeline_start_time_valid = 1;
/* Set the seek offset if buffer has valid timestamps. */
if (useTimestamps)
mdecoder->seek_offset = start_time;
if (!gst_element_seek(mdecoder->pipe, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
{
WLog_ERR(TAG, "seek failed");
}
}
#if GST_VERSION_MAJOR > 0
if (useTimestamps)
GST_BUFFER_PTS(gst_buf) =
sample_time - tsmf_gstreamer_timestamp_ms_to_gst(mdecoder->seek_offset);
else
GST_BUFFER_PTS(gst_buf) = GST_CLOCK_TIME_NONE;
#else
if (useTimestamps)
GST_BUFFER_TIMESTAMP(gst_buf) =
sample_time - tsmf_gstreamer_timestamp_ms_to_gst(mdecoder->seek_offset);
else
GST_BUFFER_TIMESTAMP(gst_buf) = GST_CLOCK_TIME_NONE;
#endif
GST_BUFFER_DURATION(gst_buf) = GST_CLOCK_TIME_NONE;
GST_BUFFER_OFFSET(gst_buf) = GST_BUFFER_OFFSET_NONE;
#if GST_VERSION_MAJOR > 0
#else
gst_buffer_set_caps(gst_buf, mdecoder->gst_caps);
#endif
gst_app_src_push_buffer(GST_APP_SRC(mdecoder->src), gst_buf);
/* Should only update the last timestamps if the current ones are valid */
if (useTimestamps)
{
mdecoder->last_sample_start_time = start_time;
mdecoder->last_sample_end_time = end_time;
}
if (mdecoder->pipe && (GST_STATE(mdecoder->pipe) != GST_STATE_PLAYING))
{
DEBUG_TSMF("%s: state=%s", get_type(mdecoder),
gst_element_state_get_name(GST_STATE(mdecoder->pipe)));
DEBUG_TSMF("%s Paused: %" PRIi32 " Shutdown: %i Ready: %" PRIi32 "", get_type(mdecoder),
mdecoder->paused, mdecoder->shutdown, mdecoder->ready);
if (!mdecoder->paused && !mdecoder->shutdown && mdecoder->ready)
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PLAYING);
}
return TRUE;
}
static BOOL tsmf_gstreamer_control(ITSMFDecoder* decoder, ITSMFControlMsg control_msg, UINT32* arg)
{
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder*)decoder;
if (!mdecoder)
{
WLog_ERR(TAG, "Control called with no decoder!");
return TRUE;
}
if (control_msg == Control_Pause)
{
DEBUG_TSMF("Control_Pause %s", get_type(mdecoder));
if (mdecoder->paused)
{
WLog_ERR(TAG, "%s: Ignoring Control_Pause, already received!", get_type(mdecoder));
return TRUE;
}
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PAUSED);
mdecoder->shutdown = 0;
mdecoder->paused = TRUE;
}
else if (control_msg == Control_Resume)
{
DEBUG_TSMF("Control_Resume %s", get_type(mdecoder));
if (!mdecoder->paused && !mdecoder->shutdown)
{
WLog_ERR(TAG, "%s: Ignoring Control_Resume, already received!", get_type(mdecoder));
return TRUE;
}
mdecoder->shutdown = 0;
mdecoder->paused = FALSE;
}
else if (control_msg == Control_Stop)
{
DEBUG_TSMF("Control_Stop %s", get_type(mdecoder));
if (mdecoder->shutdown)
{
WLog_ERR(TAG, "%s: Ignoring Control_Stop, already received!", get_type(mdecoder));
return TRUE;
}
/* Reset stamps, flush buffers, etc */
if (mdecoder->pipe)
{
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_NULL);
tsmf_window_destroy(mdecoder);
tsmf_gstreamer_clean_up(mdecoder);
}
mdecoder->seek_offset = 0;
mdecoder->pipeline_start_time_valid = 0;
mdecoder->shutdown = 1;
}
else if (control_msg == Control_Restart)
{
DEBUG_TSMF("Control_Restart %s", get_type(mdecoder));
mdecoder->shutdown = 0;
mdecoder->paused = FALSE;
if (mdecoder->pipeline_start_time_valid)
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PLAYING);
}
else
WLog_ERR(TAG, "Unknown control message %08x", control_msg);
return TRUE;
}
static BOOL tsmf_gstreamer_buffer_level(ITSMFDecoder* decoder)
{
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder*)decoder;
DEBUG_TSMF("");
if (!mdecoder)
return FALSE;
guint clbuff = 0;
if (G_IS_OBJECT(mdecoder->queue))
g_object_get(mdecoder->queue, "current-level-buffers", &clbuff, NULL);
DEBUG_TSMF("%s buffer level %u", get_type(mdecoder), clbuff);
return clbuff;
}
static void tsmf_gstreamer_free(ITSMFDecoder* decoder)
{
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder*)decoder;
DEBUG_TSMF("%s", get_type(mdecoder));
if (mdecoder)
{
tsmf_window_destroy(mdecoder);
tsmf_gstreamer_clean_up(mdecoder);
if (mdecoder->gst_caps)
gst_caps_unref(mdecoder->gst_caps);
tsmf_platform_free(mdecoder);
ZeroMemory(mdecoder, sizeof(TSMFGstreamerDecoder));
free(mdecoder);
mdecoder = NULL;
}
}
static UINT64 tsmf_gstreamer_get_running_time(ITSMFDecoder* decoder)
{
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder*)decoder;
if (!mdecoder)
return 0;
if (!mdecoder->outsink)
return mdecoder->last_sample_start_time;
if (!mdecoder->pipe)
return 0;
GstFormat fmt = GST_FORMAT_TIME;
gint64 pos = 0;
#if GST_VERSION_MAJOR > 0
gst_element_query_position(mdecoder->pipe, fmt, &pos);
#else
gst_element_query_position(mdecoder->pipe, &fmt, &pos);
#endif
return (UINT64)(pos / 100 + mdecoder->seek_offset);
}
static BOOL tsmf_gstreamer_update_rendering_area(ITSMFDecoder* decoder, int newX, int newY,
int newWidth, int newHeight, int numRectangles,
RDP_RECT* rectangles)
{
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder*)decoder;
DEBUG_TSMF("x=%d, y=%d, w=%d, h=%d, rect=%d", newX, newY, newWidth, newHeight, numRectangles);
if (mdecoder->media_type == TSMF_MAJOR_TYPE_VIDEO)
{
return tsmf_window_resize(mdecoder, newX, newY, newWidth, newHeight, numRectangles,
rectangles) == 0;
}
return TRUE;
}
static BOOL tsmf_gstreamer_ack(ITSMFDecoder* decoder, BOOL (*cb)(void*, BOOL), void* stream)
{
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder*)decoder;
DEBUG_TSMF("");
mdecoder->ack_cb = NULL;
mdecoder->stream = stream;
return TRUE;
}
static BOOL tsmf_gstreamer_sync(ITSMFDecoder* decoder, void (*cb)(void*), void* stream)
{
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder*)decoder;
DEBUG_TSMF("");
mdecoder->sync_cb = NULL;
mdecoder->stream = stream;
return TRUE;
}
#ifdef BUILTIN_CHANNELS
#define freerdp_tsmf_client_subsystem_entry gstreamer_freerdp_tsmf_client_decoder_subsystem_entry
#else
#define freerdp_tsmf_client_subsystem_entry FREERDP_API freerdp_tsmf_client_decoder_subsystem_entry
#endif
ITSMFDecoder* freerdp_tsmf_client_subsystem_entry(void)
{
TSMFGstreamerDecoder* decoder;
#if GST_CHECK_VERSION(0, 10, 31)
if (!gst_is_initialized())
{
gst_init(NULL, NULL);
}
#else
gst_init(NULL, NULL);
#endif
decoder = calloc(1, sizeof(TSMFGstreamerDecoder));
if (!decoder)
return NULL;
decoder->iface.SetFormat = tsmf_gstreamer_set_format;
decoder->iface.Decode = NULL;
decoder->iface.GetDecodedData = NULL;
decoder->iface.GetDecodedFormat = NULL;
decoder->iface.GetDecodedDimension = NULL;
decoder->iface.GetRunningTime = tsmf_gstreamer_get_running_time;
decoder->iface.UpdateRenderingArea = tsmf_gstreamer_update_rendering_area;
decoder->iface.Free = tsmf_gstreamer_free;
decoder->iface.Control = tsmf_gstreamer_control;
decoder->iface.DecodeEx = tsmf_gstreamer_decodeEx;
decoder->iface.ChangeVolume = tsmf_gstreamer_change_volume;
decoder->iface.BufferLevel = tsmf_gstreamer_buffer_level;
decoder->iface.SetAckFunc = tsmf_gstreamer_ack;
decoder->iface.SetSyncFunc = tsmf_gstreamer_sync;
decoder->paused = FALSE;
decoder->gstVolume = 0.5;
decoder->gstMuted = FALSE;
decoder->state = GST_STATE_VOID_PENDING; /* No real state yet */
decoder->last_sample_start_time = 0;
decoder->last_sample_end_time = 0;
decoder->seek_offset = 0;
decoder->seeking = FALSE;
if (tsmf_platform_create(decoder) < 0)
{
free(decoder);
return NULL;
}
return (ITSMFDecoder*)decoder;
}